E(t) models the daily amount of energy (in kilojoules, kJ) that a solar panel in Pago Pago generates, t days after the autumn equinox. Here, t is entered in radians.
270
E(t) = 624 sin
t + 8736
365
What is the first day after the autumn equinox that the solar panel generates 8400 kJ?
Round your final answer to the nearest whole day.
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